Calculator + vs Quadratic Formula Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator +
This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.
- Free basic and scientific calculator
- Intuitive interface with equation and result display
- Fraction and percent support
- Advanced editing capabilities
- Polynomial and linear equation solver
- Graphing calculator
- Unit conversion and geometric calculators
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Award winning calculator app for iPad and iPhone. Designed with simplicity, usability and beauty in mind! FEATURES: - Free basic calculator - Free scientific calculator - Elegant & Intuitive interface - Advanced editing by easily going back and forth - Displays both the equation & the result at the same time - Supports Fraction & Percent - Supports many scientific functions If you are looking for more advanced features you can upgrade to one or more of the following: - Fraction Calculator with feet, inches & cm support! - Solving for x with a polynomial Calculator for solving quadratic & cubic equations 2x³ - 4x² - 22x + 24 = 0 - Linear Equations Solver for solving system of linear equations 2x – y = 9 3x + 4y = –14 - Graphing Calculator to find the local min, max & intersection points y = 2x³ – 4x (x² + y²)³ = -27y²x² - Triangle Calculator - Cone Calculator - Arc Calculator - Circle Calculator - Base Converter ( HEX OCT BIN DEC ) - Multiple themes Enjoy the FREE Scientific calculator on your iPhone & iPad. If you like it, support us by upgrading or giving us a positive review. Thanks :) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Quadratic Formula Calculator
This app simplifies solving quadratic equations by allowing users to input coefficients a, b, and c. It quickly displays the solutions for x, including support for imaginary numbers. Users can also switch between light and dark themes for a personalized experience.
- Input coefficients a, b, and c
- Displays solutions for x
- Supports imaginary number solutions
- Light and Dark modes
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The easiest quadratic formula solver. Simply enter the values for a, b, and c and the solutions for x will be displayed. - Supports imaginary numbers as solutions. - Light and Dark modes
Screenshots
Verdict
The clearest difference is update cadence: Calculator + at every 5 days against Quadratic Formula Calculator's every 9 months. Calculator + also leads on ratings volume (10K vs 71) and review sentiment (85% vs 75%). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month and Quadratic Formula Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for Calculator + against 4.7 for Quadratic Formula Calculator. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 71, so its average is the more settled of the two. Written reviews are what separate them: 85% of Calculator +'s written reviews are positive against 75% of Quadratic Formula Calculator's.
Calculator + ships an update every 5 days, Quadratic Formula Calculator every 9 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | Calculator + | Quadratic Formula Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (10K ratings) | 4.7 (71 ratings) — better |
| Positive reviews | 84.9% of reviews — better | 75.0% of reviews |
| Number of ratings | 10K — better | 71 |
| Update frequency | Every 5 days — better | Every 9 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | xNeat.com | Edward Prokopik |
Customer experience
Calculator +
Quadratic Formula Calculator
Bugs and requests
Calculator +
Reported bugs
5 issues- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes
Requested features
5 requests- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines
Quadratic Formula Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator +
- Scientific Calculator3 Days trial$4.991 Month
- Calculator7 Days trial$39.991 Year
- Linear Calculator$2.99
- Factoring Calculator$2.99
- Handwriting Calculator$2.99
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- Currency Converter$2.99
- Themes Pack$2.99
- Graphing Calculator$3.99
- Fraction Calculator$3.99
- Scientific Calculator$4.99
- Calculator Plus$4.99
- Calculator$16.99
Quadratic Formula Calculator
- Pro Mode$1.99
Questions
Is Calculator + free?
Is Quadratic Formula Calculator free?
Which has better reviews, Calculator + or Quadratic Formula Calculator?
Do Calculator + or Quadratic Formula Calculator have ads?
Which is updated more often, Calculator + or Quadratic Formula Calculator?
Other comparisons
